General Technical Specifications   
6.3 Electromagnetic Compatibility 
  ET 200S Distributed I/O System - Fail-Safe Modules 
56  Installation and Operating Manual, 08/2008, A5E00103686-07 
Sinusoidal interference 
HF radiation: 
Tested in accordance with IEC 61000-4-3, "Radiated Electromagnetic Field Requirements" 
●  Standard test: 
–  from 80 MHz through 1 GHz, tested at 10 V/m and 20 V/m; 80 % AM (1 kHz) 
–  from 1.4 GHz through 2.7 GHz, tested at 10 V/m; 80 % AM (1 kHz) 
●  GSM/ISM/UMTS field interference of different frequencies (Standard: EN 298: 2004, 
IEC 61326-3-1) 
Electromagnetic interference on signal and data lines: 
Tested in accordance with IEC 61000-4-6, "Testing and measurement techniques – 
Immunity to conducted disturbances induced by radio-frequency fields" 
●  Standard test: 
–  RF band, asymmetrical, amplitude modulated: 
from 0.15 MHz through 80 MHz, tested at 10 V and 20 V rms; 80% AM (1 kHz) 
●  ISM interference of different frequencies (Standard: EN 298: 2004, IEC 61326-3-1) 
Radio Interference Emission 
Interference transmission of electromagnetic fields in accordance with EN 55011: Limit class 
A, group 1 (measured at a distance of 10 m).  
 
Frequency  Emitted Interference 
Between 30 MHz and 230 MHz  < 40 dB (µV/m)Q 
Between 230 MHz and 1000 MHz  < 47 dB (µV/m)Q 
Emitted interference by means of network-AC power supply in accordance with EN 55011: 
Limit class A, group 1. 
 
Frequency  Emitted Interference 
Between 0.15 MHz and 0.5 MHz  < 79 dB (µV)Q, < 66 dB (µV)M 
Between 0.5 MHz and 5 MHz  < 73 dB (µV)Q, < 60 dB (µV)M 
Between 5 MHz and 30 MHz  < 73 dB (µV)Q, < 60 dB (µV)M